Chillicothe climate

Chillicothe Weather in May

NOAA 1991-2020 normals for Chillicothe Mound City, 5 km from Chillicothe

Average highs run from 70°F on May 1 to 78°F on May 31, and lows from 47°F to 56°F.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Chillicothe, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
74°F
Average low
52°F
Record high
98°FMay 27, 1911
Record low
25°FMay 10, 1966
Chance of a freeze
21%
Daylight
13 h 52 min to 14 h 44 min
Cloud cover
65%
Humidity
78%
Dew point
55°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 170°F47°F90°F 195130°F 19140%
May 271°F47°F91°F 195130°F 19610%
May 371°F47°F91°F 192831°F 19780%
May 471°F48°F92°F 189530°F 19660%
May 571°F48°F95°F 189531°F 19000%
May 671°F48°F94°F 193030°F 19680%
May 772°F49°F91°F 192630°F 19740%
May 872°F49°F94°F 193027°F 20170%
May 972°F49°F97°F 193028°F 19470%
May 1072°F50°F94°F 193625°F 19660%
May 1172°F50°F93°F 193628°F 19130%
May 1273°F50°F90°F 193632°F 19250%
May 1373°F51°F92°F 195634°F 18950%
May 1473°F51°F92°F 196233°F 19170%
May 1573°F51°F92°F 196233°F 19100%
May 1674°F52°F92°F 190032°F 19040%
May 1774°F52°F93°F 196231°F 18950%
May 1874°F52°F94°F 196235°F 19250%
May 1975°F52°F94°F 191135°F 19160%
May 2075°F53°F93°F 191133°F 20020%
May 2175°F53°F93°F 193431°F 19540%
May 2275°F53°F93°F 194131°F 19240%
May 2376°F54°F93°F 190033°F 20020%
May 2476°F54°F93°F 192133°F 19310%
May 2576°F54°F92°F 190437°F 19240%
May 2677°F55°F95°F 191433°F 19240%
May 2777°F55°F98°F 191131°F 19250%
May 2877°F55°F97°F 191133°F 19070%
May 2978°F56°F98°F 191134°F 19320%
May 3078°F56°F97°F 191436°F 19300%
May 3178°F56°F97°F 189536°F 19300%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Chillicothe, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 6:33 AM, sunset 8:25 PM
May 31
sunrise 6:08 AM, sunset 8:52 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00331528 (Chillicothe Mound City), public domain. Records: NOAA GHCN-Daily, station USC00331592, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.